an organiik 2
Authored by Yanto Mei
Chemistry
2nd Grade
Used 4+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Ion 37A2+ ialah ion yang memiliki…
1 elektron kulit terluar
3 elektron kulit terluar
5 elektron kulit terluar
6 elektron kulit terluar
7 elektron kulit terluar
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Konfigurasi elektron suatu unsur sebagai berikut. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1 Letak unsur tersebut dalam sistem periodik adalah…
periode 3 golongan IA
periode 3 golongan IB
periode 4 golongan IA
periode 4 golongan IB
periode 4 golongan IiiA
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Salah satu kegunaan senyawa natrium yaitu…
bahan baku pembuatan klorin
pembuatan pupuk
untuk alloy
bahan pasta gigi
katode pada lampu elektroni
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Cermati sifat-sifat unsur di bawah ini.
1. reaktif
2. terdapat dalam keadaan bebas di alam
3. bersifat racun
4. berwarna
5. semua berwujud gas pada suhu kamar
Sifat-sifat yang dimiliki oleh unsur halogen yaitu…
1, 2 dan 3
1, 3 dan 4
1, 2 dan 5
2, 3 dan 4
2, 3 dan 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Mineral yang mengandung aluminium yaitu…
bauksit dan hematit
bauksit dan dolomit
bauksit dan kriolit
hematit dan dolomit
kriolit dan kromit
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Diketahui unsur dan konfigurasi elektronnya:
P (54Xe)6S2
Q (10Ne)3S2 3p4
R (36Kr)5s2 4d6
S (18Ar)4s2 3d10 4p4
Pasangan unsur yang terletak segolongan
adalah ....
P dan S
Q dan R
R dan S
P dan R
Q dan S
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Di antara unsur-unsur 4Be, 12Mg, 20Ca, 20Ca,
56Ba; yang memiliki potensial ionsisasi paling
kecil adalah....
4Be
12Mg
20Ca
20Ca
56Ba
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